root/pypi: links for nanopb-helpers

root/pypi nanopb_helpers-0.4.post1.zip
root/pypi nanopb_helpers-0.4.zip
root/pypi nanopb_helpers-0.3.post4.tar.gz
root/pypi nanopb_helpers-0.3.post2-py2-none-any.whl
root/pypi nanopb_helpers-0.3.post1-py2-none-any.whl
root/pypi nanopb_helpers-0.3.tar.gz
root/pypi nanopb_helpers-0.2.tar.gz